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Finding the Fourth Proportional to 251,383.78, 377,198.59 and 118,277.29

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Solution

The fourth proportional to 251,383.78, 377,198.59 and 118,277.29 is: 177,473.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,383.78 : 377,198.59 = 118,277.29 : x
  2. Step 2: Convert to fraction form
    251,383.78/377,198.59 = 118,277.29/x
  3. Step 3: Cross multiply
    251,383.78x = 377,198.59 × 118,277.29
  4. Step 4: Simplify right side
    251,383.78x = 44,614,027,017.02
  5. Step 5: Solve for x
    x = 44,614,027,017.02/251,383.78
  6. Step 6: Final answer
    x = 177,473.77

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.